A brief definition of Global Warming:
The term "global warming" is a specific example of global climate change. The term "climate change" can also refer to other periods of overall temperature change such as global cooling. In common usage, the term "global warming" refers to the warming in recent decades and its projected continuation, and implies a human influence.[11][12] The United Nations Framework Convention on Climate Change (UNFCCC) uses the term "climate change" for human-caused change, and "climate variability" for other changes.[13] The term "anthropogenic global warming" (AGW) is sometimes used when focusing on human-induced changes.
source: http://en.wikipedia.org/wiki/Global_warming
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1 comment:
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i am not a believer in compact fluorescent bulbs. two weeks ago, my 20-month old son dropped is bottle down the stairs. on it's way down, it his a wall lamp and broke off a CFL bulb. since this bulb contains mercury, i am not afraid have my son go near the area of breakage. mercury accumulates in your system without reprieve. it does not wash out with time, it doesn't dissipate. it is a scary thing, not just because it causes cancer, but because it can diminish your intelligence. now, the question is, what is the greater danger: the CO-2 emissions resulting from the powering of an incandescent bulb, or the mercury released from a CFL bulb that can easily break.
i would rather wait for LED bulbs to make it to market.
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